Electric heating steam generator
By improving the structure of the electric heating unit and steam box, the problems of heat loss and uneven evaporation in traditional steam generators have been solved, achieving efficient and environmentally friendly steam production and automatic water replenishment control.
Patent Information
- Application Number
- CN202422936520.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Traditional fuel-fired steam generators suffer from high heat loss and insufficient environmental friendliness. Furthermore, small electric steam generators have uneven evaporation rates and cannot meet the demand for rapid steam output.
It adopts an electric heating unit and steam box structure, increases the volume of the steam box, uses a larger diameter steam box to replace multiple steam pipes, and is equipped with a liquid level monitoring pipe to achieve automatic water replenishment control.
It achieves efficient use of electricity to produce steam, reduces flue gas emissions, improves steam discharge efficiency, ensures uniformity of evaporation, and realizes automatic water replenishment function.
Smart Images
Figure CN223726310U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of steam generator, in particular to an electric heating steam generator. BACKGROUND
[0002] The steam generator is a kind of heat energy conversion equipment that heats water flowing in pipe into steam and outputs steam quickly. With the increase of steam volume, its volume and water capacity also increase, and when the water capacity exceeds 30L, it belongs to the category of boiler, a special equipment subject to national quality and technical supervision management. Therefore, in order to ensure safety, the state limits the total volume to less than 30 liters, and only when it is less than 30 liters can the safety of use and the stability of steam output be ensured.
[0003] At present, in the prior art, the traditional steam generator within 30L usually adopts the heating mode of fuel combustion, and there is a certain heat loss in this process, the energy-saving effect is not good, and a large amount of flue gas is generated after combustion, which is not environmentally friendly. The corresponding flue gas generation also needs to be equipped with flue gas treatment equipment, further increasing the production cost. During the research and development process, the inventor developed a steam generator using an electric heater for heating and applied for an electric heating type steam generator. However, the electric heating type steam generator is a primary product, and has certain technical defects, such as the structure of multiple vertical evaporation pipes arranged on the water collecting tank. The water in the water collecting tank evaporates too fast, and the volume of the evaporation pipe is small, which cannot meet the rapid discharge of steam, and thus the phenomenon of uneven evaporation occurs. Therefore, the present application provides an electric heating steam generator. SUMMARY
[0004] The purpose of the present application is to provide an electric heating steam generator to solve the problems in the background art.
[0005] To achieve the above purpose, the present application provides the following technical scheme: an electric heating steam generator, comprising an electric heating unit, a steam tank is fixedly installed on one side of the electric heating unit, an outlet pipe is fixedly installed on the side of the steam tank away from the electric heating unit, a heating cavity is arranged in the electric heating unit, the electric heating unit comprises a mounting plate fixedly installed on the electric heating unit and an electric heating pipe fixedly installed on the mounting plate, and the electric heating pipe is arranged in the heating cavity, and a liquid level monitoring pipe is installed between the electric heating unit and the steam tank.
[0006] As a preferred technical scheme of the present application, a water inlet pipe is also fixedly installed on the electric heating unit, and the lower end of the liquid level monitoring pipe is fixedly installed on the water inlet pipe.
[0007] As a preferred technical scheme of the present application, the electric heating unit comprises a first water collecting tank, and the first water collecting tank is arranged horizontally.
[0008] As a preferred technical solution of the present application, the number of the first water collecting tanks is multiple, the multiple first water collecting tanks are vertically distributed, and adjacent first water collecting tanks are connected in communication through first communication pipes.
[0009] As a preferred technical solution of the present application, one side of the first water collecting tank is provided with a first mounting port, and the mounting plate is fixedly mounted on the first mounting port.
[0010] As a preferred technical solution of the present application, both sides of the first water collecting tank are provided with second mounting ports, the number of the mounting plates and the electric heating pipes is the same as that of the second mounting ports, and the mounting plates are fixedly mounted on the second mounting ports.
[0011] As a preferred technical solution of the present application, the electric heating unit further comprises a water collecting branch tank, the water collecting branch tank is horizontally arranged, one side of the water collecting branch tank is fixedly mounted with a steam branch pipe, and the side of the steam branch pipe away from the water collecting branch tank is fixedly mounted on the steam tank.
[0012] As a preferred technical solution of the present application, the number of the water collecting branch tanks is multiple, the multiple water collecting branch tanks are vertically distributed, and adjacent water collecting branch tanks are connected in communication through third communication pipes.
[0013] As a preferred technical solution of the present application, the electric heating unit comprises a second water collecting tank, and the second water collecting tank is vertically arranged, and the steam tank is fixedly mounted on one side of the top of the second water collecting tank.
[0014] As a preferred technical solution of the present application, the water collecting branch tank and the first water collecting tank are connected in communication through second communication pipes.
[0015] As a preferred technical solution of the present application, the steam tank is in one of a linear shape, an L shape, a Z shape, and a T shape.
[0016] As a preferred technical solution of the present application, a liquid level probe mounting pipe is arranged on the liquid level monitoring pipe for fixed mounting of a liquid level probe, and the liquid level probe is arranged in the liquid level monitoring pipe.
[0017] As a preferred technical solution of the present application, one side of the steam tank is provided with a pressure valve mounting pipe for fixed mounting of a pressure valve.
[0018] As a preferred technical solution of the present application, a support seat is fixedly mounted at the bottom of the electric heating unit.
[0019] As a preferred technical solution of the present application, a water baffle is fixedly mounted inside the steam tank, and a steam passing hole is arranged on the inner surface of the water baffle.
[0020] Compared with the prior art, the present application has the beneficial effects that:
[0021] The electric heating steam generator of the present application can realize the purpose of steam production by electric energy, without smoke gas generation, and has high heat energy utilization rate, remarkable energy saving and environmental protection, and the steam discharge efficiency is effectively improved by replacing multiple steam pipes with one steam tank with larger diameter, and the increase in the volume and the reduction in the number of the water collecting tanks can avoid the phenomenon of uneven evaporation, and the liquid level monitoring pipe can be used to monitor the liquid level in the steam generator in real time, so that when the water quantity to be heated is small, the electric signal can be transmitted to the DCS control system to control and adjust the water inlet time of the water inlet pipe, and the purpose of automatic water replenishment is realized.
[0022] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a whole structure schematic view of the embodiment one of the present application;
[0024] Figure 2 It is a structure schematic view of the electric heating element of the present application;
[0025] Figure 3 It is a whole structure schematic view of the embodiment two of the present application;
[0026] Figure 4 It is a whole structure schematic view of the embodiment three of the present application;
[0027] Figure 5 It is a whole structure schematic view of the embodiment four of the present application;
[0028] Figure 6 It is a whole structure schematic view of the embodiment five of the present application;
[0029] Figure 7 It is a whole structure schematic view of the embodiment six of the present application;
[0030] Figure 8 It is a mounting structure schematic view of the water baffle of the present application;
[0031] In the figure: 1, electric heating unit; 2, steam box; 21, water baffle; 22, steam hole; 3, steam outlet pipe; 4, electric heating element; 41, mounting plate; 42, electric heating pipe; 5, water inlet pipe; 6, liquid level monitoring pipe; 7, support seat; 8, liquid level probe mounting pipe; 9, pressure valve mounting pipe; 11, first water collecting tank; 121, second communication pipe; 122, first communication pipe; 123, third communication pipe; 131, water collecting branch tank; 132, steam branch pipe; 15, second water collecting tank. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0033] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "vertical", "upper", "lower", "horizontal" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0034] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0035] Example one, please refer to Figure 1 , 2And 8, in this embodiment, an electrically heated steam generator is provided, comprising an electric heating unit 1, one side of the electric heating unit 1 is fixedly installed with a steam box 2, the inside of the steam box 2 is fixedly installed with a water baffle 21, and the inner surface of the water baffle 21 is provided with a steam hole 22, the steam box 2 is in the shape of a character, L, Z or T, one side of the steam box 2 away from the electric heating unit 1 is fixedly installed with a steam outlet pipe 3, the electric heating unit 1 is provided with a heating cavity, the electric heating element 4 comprises a mounting plate 41 fixedly installed on the electric heating unit 1 and an electric heating pipe 42 fixedly installed on the mounting plate 41, and the electric heating pipe 42 is arranged in the heating cavity, a liquid level monitoring pipe 6 is installed between the electric heating unit 1 and the steam box 2, and a water inlet pipe 5 is also fixedly installed on the electric heating unit 1, and the lower end of the liquid level monitoring pipe 6 is fixedly installed on the water inlet pipe 5, a liquid level probe mounting pipe 8 is arranged on the liquid level monitoring pipe 6 for fixed installation of the liquid level probe, and the liquid level probe is arranged in the liquid level monitoring pipe 6. An electric valve is installed on the water inlet pipe 5, and the electric valve is electrically connected with the liquid level probe on the liquid level monitoring pipe 6 through a control system, a pressure valve mounting pipe 9 is arranged on one side of the steam box 2 for fixed installation of the pressure valve, a support seat 7 is fixedly installed at the bottom of the electric heating unit 1, the electric heating unit 1 comprises a first water collecting tank 11, and the first water collecting tank 11 is arranged transversely, a first installation opening is formed in one side of the first water collecting tank 11, and the mounting plate 41 is fixedly installed on the first installation opening. By arranging the steam box 2 on the electric heating unit 1 and arranging the heating cavity and the electric heating element 4 in the electric heating unit 1, the purpose of using electric energy to produce steam can be achieved, no smoke is generated, the heat energy utilization rate is high, the energy saving and environmental protection performance is significantly improved, at the same time, the multiple steam pipes in the early stage of research and development are replaced by one steam box with a larger diameter, which can effectively improve the steam discharge efficiency, the increase in the volume and the reduction in the number of the water collecting tank can also avoid the rapid evaporation of water in the tank, thereby effectively solving the phenomenon of uneven evaporation capacity, and the liquid level monitoring pipe 6 can be used to monitor the liquid level in the steam generator in real time, so that when the water quantity to be heated is small, the electric signal can be transmitted to the DCS control system to control and adjust the water inlet time of the water inlet pipe 5, thereby achieving the purpose of automatic water replenishment.
[0036] Embodiment two, please refer to Figure 2 , 3 And 8, in this embodiment, the number of the first water collecting tank 11 is multiple, the multiple first water collecting tanks 11 are vertically distributed, and adjacent first water collecting tanks 11 are connected through first communication pipes 122. By increasing the number of the first water collecting tank 11, the water capacity of the entire steam generator can be provided, thereby effectively improving the evaporation capacity.
[0037] Embodiment three, please refer to Figure 2 , 4And 8, in this embodiment, the electric heating unit 1 further comprises a water collecting branch box 131, the water collecting branch box 131 is arranged horizontally, a steam branch pipe 132 is fixedly installed on one side of the water collecting branch box 131, and the steam branch pipe 132 is fixedly installed on the steam box 2 away from the water collecting branch box 131. It should be noted that in this embodiment, the number and position of the water collecting branch box 131 are not limited, so that the number of the water collecting branch box 131 can be increased and arranged on both sides or one side of the first water collecting box 11. The specific one side can be seen in embodiment four. By increasing the water collecting branch box 131, the water capacity of the entire steam generator can be provided, thereby effectively improving the evaporation capacity, and compared with embodiment two, the height of the entire steam generator will not be too high.
[0038] Embodiment four, please refer to Figure 2 , 5 And 8, in this embodiment, the number of the water collecting branch box 131 is multiple, and the multiple water collecting branch boxes 131 are vertically distributed, and the adjacent water collecting branch boxes 131 are connected through the third communication pipe 123.
[0039] Embodiment five, please refer to Figure 2 , 6 And 8, in this embodiment, the electric heating unit 1 comprises a second water collecting box 15, and the second water collecting box 15 is vertically arranged, and the steam box 2 is fixedly installed on one side of the top of the second water collecting box 15, and the water collecting branch box 131 and the first water collecting box 11 are connected through the second communication pipe 121. In this embodiment, the second water collecting box 15 is vertically arranged, and the steam box 2 is installed on the side of the second water collecting box 15. When multiple water collecting boxes are needed, compared with embodiment two, the overall height of the entire device can be effectively reduced.
[0040] Embodiment six, please refer to Figure 1 , 7 And 8, in this embodiment, the second installation port is formed on both sides of the first water collecting box 11, the number of the installation plate 41 and the electric heating pipe 42 is the same as the number of the second installation port, and the installation plate 41 is fixedly installed on the second installation port. In this embodiment, the size of the first water collecting box 11 is lengthened, and then the electric heating element 4 is installed at both ends, which can further reduce the design height of the entire steam generator while ensuring sufficient water capacity.
[0041] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An electrically heated steam generator, characterized in that, The utility model provides an electric heating unit (1), one side of electric heating unit (1) is fixedly installed with steam tank (2), the side away from electric heating unit (1) of steam tank (2) is fixedly installed with steam pipe (3), be provided with heating cavity in electric heating unit (1), electric heating part (4) includes the mounting plate (41) fixedly installed on electric heating unit (1) and the electric heating pipe (42) fixedly installed on mounting plate (41), and electric heating pipe (42) sets up in heating cavity, liquid level monitoring pipe (6) is installed between electric heating unit (1) and steam tank (2);Water inlet pipe (5) is also fixedly installed on electric heating unit (1), and the lower end of liquid level monitoring pipe (6) is fixedly installed in water inlet pipe (5);Electric heating unit (1) includes first water collecting tank (11), and first water collecting tank (11) is transversely arranged;The number of first water collecting tank (11) is multiple, and multiple first water collecting tank (11) is vertically distributed, and adjacent first water collecting tank (11) is connected through first communication pipe (122) and is communicated;Liquid level probe mounting pipe (8) is arranged on liquid level monitoring pipe (6) for fixed installation of liquid level probe, and the liquid level probe is arranged in liquid level monitoring pipe (6).
2. An electrically heated steam generator as claimed in claim 1, characterised in that The first installation opening is formed in one side of the first water collecting tank (11), and the mounting plate (41) is fixedly installed on the first installation opening.
3. An electrically heated steam generator as claimed in claim 1, characterised in that Second installation openings are formed in both sides of the first water collecting tank (11), the number of the mounting plate (41) and the electric heating pipe (42) is same as the number of the second installation openings, and the mounting plate (41) is fixedly installed on the second installation opening.
4. An electrically heated steam generator as claimed in claim 1, characterised in that The electric heating unit (1) further comprises a water collecting branch tank (131), the water collecting branch tank (131) is transversely arranged, and a steam branch pipe (132) is fixedly installed on one side of the water collecting branch tank (131).
5. An electrically heated steam generator as claimed in claim 4, characterised in that The number of the water collecting branch tank (131) is multiple, and multiple water collecting branch tanks (131) are vertically distributed, and adjacent water collecting branch tanks (131) are communicated through third communication pipes (123).
6. An electrically heated steam generator as claimed in claim 1, characterised in that The electric heating unit (1) comprises a second water collecting tank (15), and the second water collecting tank (15) is vertically arranged, and the steam tank (2) is fixedly installed on one side of the top of the second water collecting tank (15).
7. An electrically heated steam generator as claimed in claim 4, characterised in that The water collecting branch tank (131) and the first water collecting tank (11) are communicated through a second communication pipe (121).
8. An electrically heated steam generator as claimed in claim 1, characterized in that The steam tank (2) has one of the shapes of a straight line, an L shape, a Z shape or a T shape.
9. An electrically heated steam generator as claimed in claim 1, characterised in that A pressure valve mounting pipe (9) is arranged on one side of the steam tank (2) for fixed installation of a pressure valve.
10. An electrically heated steam generator as claimed in claim 1, characterised in that A support seat (7) is fixedly installed on the bottom of the electric heating unit (1).
11. An electrically heated steam generator as claimed in claim 1, characterised in that A water baffle (21) is fixedly installed inside the steam tank (2), and a steam passage (22) is formed in the inner surface of the water baffle (21).